#ifndef _ASM_IO_H
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#ifndef _ASM_IO_H
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#define _ASM_IO_H
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#define _ASM_IO_H
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/* USE_HPPA_IOREMAP IS THE MAGIC FLAG TO ENABLE OR DISABLE REAL IOREMAP() FUNCTIONALITY */
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/* USE_HPPA_IOREMAP IS THE MAGIC FLAG TO ENABLE OR DISABLE REAL IOREMAP() FUNCTIONALITY */
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/* FOR 712 or 715 MACHINES THIS SHOULD BE ENABLED,
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/* FOR 712 or 715 MACHINES THIS SHOULD BE ENABLED,
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NEWER MACHINES STILL HAVE SOME ISSUES IN THE SCSI AND/OR NETWORK DRIVERS AND
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NEWER MACHINES STILL HAVE SOME ISSUES IN THE SCSI AND/OR NETWORK DRIVERS AND
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BECAUSE OF THAT I WILL LEAVE IT DISABLED FOR NOW <deller@gmx.de> */
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BECAUSE OF THAT I WILL LEAVE IT DISABLED FOR NOW <deller@gmx.de> */
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/* WHEN THOSE ISSUES ARE SOLVED, USE_HPPA_IOREMAP WILL GO AWAY */
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/* WHEN THOSE ISSUES ARE SOLVED, USE_HPPA_IOREMAP WILL GO AWAY */
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#define USE_HPPA_IOREMAP 0
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#define USE_HPPA_IOREMAP 0
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#include <linux/config.h>
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#include <linux/config.h>
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#include <linux/types.h>
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#include <linux/types.h>
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#include <asm/pgtable.h>
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#include <asm/pgtable.h>
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#define virt_to_phys(a) ((unsigned long)__pa(a))
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#define virt_to_phys(a) ((unsigned long)__pa(a))
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#define phys_to_virt(a) __va(a)
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#define phys_to_virt(a) __va(a)
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#define virt_to_bus virt_to_phys
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#define virt_to_bus virt_to_phys
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#define bus_to_virt phys_to_virt
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#define bus_to_virt phys_to_virt
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/* Memory mapped IO */
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/* Memory mapped IO */
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extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
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extern void * __ioremap(unsigned long offset, unsigned long size, unsigned long flags);
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extern inline void * ioremap(unsigned long offset, unsigned long size)
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extern inline void * ioremap(unsigned long offset, unsigned long size)
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{
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{
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return __ioremap(offset, size, 0);
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return __ioremap(offset, size, 0);
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}
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}
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/*
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/*
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* This one maps high address device memory and turns off caching for that area.
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* This one maps high address device memory and turns off caching for that area.
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* it's useful if some control registers are in such an area and write combining
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* it's useful if some control registers are in such an area and write combining
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* or read caching is not desirable:
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* or read caching is not desirable:
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*/
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*/
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extern inline void * ioremap_nocache (unsigned long offset, unsigned long size)
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extern inline void * ioremap_nocache (unsigned long offset, unsigned long size)
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{
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{
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return __ioremap(offset, size, _PAGE_NO_CACHE /* _PAGE_PCD */);
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return __ioremap(offset, size, _PAGE_NO_CACHE /* _PAGE_PCD */);
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}
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}
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extern void iounmap(void *addr);
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extern void iounmap(void *addr);
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/*
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/*
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* __raw_ variants have no defined meaning. on hppa, it means `i was
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* __raw_ variants have no defined meaning. on hppa, it means `i was
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* too lazy to ioremap first'. kind of like isa_, except that there's
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* too lazy to ioremap first'. kind of like isa_, except that there's
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* no additional base address to add on.
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* no additional base address to add on.
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*/
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*/
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extern __inline__ unsigned char __raw_readb(unsigned long addr)
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extern __inline__ unsigned char __raw_readb(unsigned long addr)
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{
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{
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long flags;
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long flags;
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unsigned char ret;
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unsigned char ret;
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__asm__ __volatile__(
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__asm__ __volatile__(
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" rsm 2,%0\n"
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" rsm 2,%0\n"
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" ldb,ma 0(%2),%1\n"
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" ldb,ma 0(%2),%1\n"
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" mtsm %0\n"
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" mtsm %0\n"
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: "=&r" (flags), "=r" (ret) : "r" (addr) );
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: "=&r" (flags), "=r" (ret) : "r" (addr) );
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return ret;
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return ret;
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}
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}
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extern __inline__ unsigned short __raw_readw(unsigned long addr)
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extern __inline__ unsigned short __raw_readw(unsigned long addr)
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{
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{
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long flags;
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long flags;
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unsigned short ret;
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unsigned short ret;
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__asm__ __volatile__(
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__asm__ __volatile__(
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" rsm 2,%0\n"
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" rsm 2,%0\n"
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" ldh,ma 0(%2),%1\n"
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" ldh,ma 0(%2),%1\n"
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" mtsm %0\n"
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" mtsm %0\n"
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: "=&r" (flags), "=r" (ret) : "r" (addr) );
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: "=&r" (flags), "=r" (ret) : "r" (addr) );
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return ret;
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return ret;
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}
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}
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extern __inline__ unsigned int __raw_readl(unsigned long addr)
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extern __inline__ unsigned int __raw_readl(unsigned long addr)
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{
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{
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u32 ret;
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u32 ret;
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__asm__ __volatile__(
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__asm__ __volatile__(
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" ldwa,ma 0(%1),%0\n"
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" ldwa,ma 0(%1),%0\n"
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: "=r" (ret) : "r" (addr) );
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: "=r" (ret) : "r" (addr) );
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return ret;
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return ret;
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}
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}
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extern __inline__ unsigned long long __raw_readq(unsigned long addr)
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extern __inline__ unsigned long long __raw_readq(unsigned long addr)
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{
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{
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unsigned long long ret;
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unsigned long long ret;
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#ifdef __LP64__
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#ifdef __LP64__
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__asm__ __volatile__(
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__asm__ __volatile__(
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" ldda,ma 0(%1),%0\n"
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" ldda,ma 0(%1),%0\n"
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: "=r" (ret) : "r" (addr) );
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: "=r" (ret) : "r" (addr) );
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#else
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#else
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/* two reads may have side effects.. */
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/* two reads may have side effects.. */
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ret = ((u64) __raw_readl(addr)) << 32;
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ret = ((u64) __raw_readl(addr)) << 32;
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ret |= __raw_readl(addr+4);
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ret |= __raw_readl(addr+4);
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#endif
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#endif
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return ret;
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return ret;
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}
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}
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extern __inline__ void __raw_writeb(unsigned char val, unsigned long addr)
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extern __inline__ void __raw_writeb(unsigned char val, unsigned long addr)
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{
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{
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long flags;
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long flags;
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__asm__ __volatile__(
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__asm__ __volatile__(
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" rsm 2,%0\n"
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" rsm 2,%0\n"
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" stb,ma %1,0(%2)\n"
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" stb,ma %1,0(%2)\n"
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" mtsm %0\n"
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" mtsm %0\n"
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: "=&r" (flags) : "r" (val), "r" (addr) );
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: "=&r" (flags) : "r" (val), "r" (addr) );
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}
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}
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extern __inline__ void __raw_writew(unsigned short val, unsigned long addr)
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extern __inline__ void __raw_writew(unsigned short val, unsigned long addr)
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{
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{
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long flags;
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long flags;
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__asm__ __volatile__(
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__asm__ __volatile__(
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" rsm 2,%0\n"
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" rsm 2,%0\n"
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" sth,ma %1,0(%2)\n"
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" sth,ma %1,0(%2)\n"
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" mtsm %0\n"
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" mtsm %0\n"
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: "=&r" (flags) : "r" (val), "r" (addr) );
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: "=&r" (flags) : "r" (val), "r" (addr) );
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}
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}
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extern __inline__ void __raw_writel(unsigned int val, unsigned long addr)
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extern __inline__ void __raw_writel(unsigned int val, unsigned long addr)
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{
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{
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__asm__ __volatile__(
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__asm__ __volatile__(
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" stwa,ma %0,0(%1)\n"
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" stwa,ma %0,0(%1)\n"
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: : "r" (val), "r" (addr) );
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: : "r" (val), "r" (addr) );
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}
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}
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extern __inline__ void __raw_writeq(unsigned long long val, unsigned long addr)
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extern __inline__ void __raw_writeq(unsigned long long val, unsigned long addr)
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{
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{
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#ifdef __LP64__
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#ifdef __LP64__
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__asm__ __volatile__(
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__asm__ __volatile__(
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" stda,ma %0,0(%1)\n"
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" stda,ma %0,0(%1)\n"
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: : "r" (val), "r" (addr) );
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: : "r" (val), "r" (addr) );
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#else
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#else
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/* two writes may have side effects.. */
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/* two writes may have side effects.. */
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__raw_writel(val >> 32, addr);
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__raw_writel(val >> 32, addr);
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__raw_writel(val, addr+4);
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__raw_writel(val, addr+4);
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#endif
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#endif
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}
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}
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#if USE_HPPA_IOREMAP
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#if USE_HPPA_IOREMAP
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#define readb(addr) (*(volatile unsigned char *) (addr))
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#define readb(addr) (*(volatile unsigned char *) (addr))
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#define readw(addr) (*(volatile unsigned short *) (addr))
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#define readw(addr) (*(volatile unsigned short *) (addr))
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#define readl(addr) (*(volatile unsigned int *) (addr))
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#define readl(addr) (*(volatile unsigned int *) (addr))
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#define readq(addr) (*(volatile u64 *) (addr))
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#define readq(addr) (*(volatile u64 *) (addr))
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#define writeb(b,addr) (*(volatile unsigned char *) (addr) = (b))
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#define writeb(b,addr) (*(volatile unsigned char *) (addr) = (b))
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#define writew(b,addr) (*(volatile unsigned short *) (addr) = (b))
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#define writew(b,addr) (*(volatile unsigned short *) (addr) = (b))
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#define writel(b,addr) (*(volatile unsigned int *) (addr) = (b))
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#define writel(b,addr) (*(volatile unsigned int *) (addr) = (b))
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#define writeq(b,addr) (*(volatile u64 *) (addr) = (b))
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#define writeq(b,addr) (*(volatile u64 *) (addr) = (b))
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#else /* !USE_HPPA_IOREMAP */
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#else /* !USE_HPPA_IOREMAP */
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#define readb(addr) __raw_readb((unsigned long)(addr))
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#define readb(addr) __raw_readb((unsigned long)(addr))
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#define readw(addr) le16_to_cpu(__raw_readw((unsigned long)(addr)))
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#define readw(addr) le16_to_cpu(__raw_readw((unsigned long)(addr)))
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#define readl(addr) le32_to_cpu(__raw_readl((unsigned long)(addr)))
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#define readl(addr) le32_to_cpu(__raw_readl((unsigned long)(addr)))
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#define readq(addr) le64_to_cpu(__raw_readq((unsigned long)(addr)))
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#define readq(addr) le64_to_cpu(__raw_readq((unsigned long)(addr)))
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#define writeb(b,addr) __raw_writeb(b,(unsigned long)(addr))
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#define writeb(b,addr) __raw_writeb(b,(unsigned long)(addr))
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#define writew(b,addr) __raw_writew(cpu_to_le16(b),(unsigned long)(addr))
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#define writew(b,addr) __raw_writew(cpu_to_le16(b),(unsigned long)(addr))
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#define writel(b,addr) __raw_writel(cpu_to_le32(b),(unsigned long)(addr))
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#define writel(b,addr) __raw_writel(cpu_to_le32(b),(unsigned long)(addr))
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#define writeq(b,addr) __raw_writeq(cpu_to_le64(b),(unsigned long)(addr))
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#define writeq(b,addr) __raw_writeq(cpu_to_le64(b),(unsigned long)(addr))
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#endif /* !USE_HPPA_IOREMAP */
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#endif /* !USE_HPPA_IOREMAP */
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extern void memcpy_fromio(void *dest, unsigned long src, int count);
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extern void memcpy_fromio(void *dest, unsigned long src, int count);
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extern void memcpy_toio(unsigned long dest, const void *src, int count);
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extern void memcpy_toio(unsigned long dest, const void *src, int count);
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extern void memset_io(unsigned long dest, char fill, int count);
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extern void memset_io(unsigned long dest, char fill, int count);
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/* Support old drivers which don't ioremap.
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/* Support old drivers which don't ioremap.
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* NB this interface is scheduled to disappear in 2.5
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* NB this interface is scheduled to disappear in 2.5
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*/
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*/
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#define EISA_BASE 0xfffffffffc000000UL
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#define EISA_BASE 0xfffffffffc000000UL
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#define isa_readb(a) readb(EISA_BASE | (a))
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#define isa_readb(a) readb(EISA_BASE | (a))
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#define isa_readw(a) readw(EISA_BASE | (a))
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#define isa_readw(a) readw(EISA_BASE | (a))
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#define isa_readl(a) readl(EISA_BASE | (a))
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#define isa_readl(a) readl(EISA_BASE | (a))
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#define isa_writeb(b,a) writeb((b), EISA_BASE | (a))
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#define isa_writeb(b,a) writeb((b), EISA_BASE | (a))
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#define isa_writew(b,a) writew((b), EISA_BASE | (a))
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#define isa_writew(b,a) writew((b), EISA_BASE | (a))
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#define isa_writel(b,a) writel((b), EISA_BASE | (a))
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#define isa_writel(b,a) writel((b), EISA_BASE | (a))
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#define isa_memset_io(a,b,c) memset_io(EISA_BASE | (a), (b), (c))
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#define isa_memset_io(a,b,c) memset_io(EISA_BASE | (a), (b), (c))
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#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a), EISA_BASE | (b), (c))
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#define isa_memcpy_fromio(a,b,c) memcpy_fromio((a), EISA_BASE | (b), (c))
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#define isa_memcpy_toio(a,b,c) memcpy_toio(EISA_BASE | (a), (b), (c))
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#define isa_memcpy_toio(a,b,c) memcpy_toio(EISA_BASE | (a), (b), (c))
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/*
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/*
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* XXX - We don't have csum_partial_copy_fromio() yet, so we cheat here and
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* XXX - We don't have csum_partial_copy_fromio() yet, so we cheat here and
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* just copy it. The net code will then do the checksum later. Presently
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* just copy it. The net code will then do the checksum later. Presently
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* only used by some shared memory 8390 Ethernet cards anyway.
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* only used by some shared memory 8390 Ethernet cards anyway.
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*/
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*/
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#define eth_io_copy_and_sum(skb,src,len,unused) \
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#define eth_io_copy_and_sum(skb,src,len,unused) \
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memcpy_fromio((skb)->data,(src),(len))
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memcpy_fromio((skb)->data,(src),(len))
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#define isa_eth_io_copy_and_sum(skb,src,len,unused) \
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#define isa_eth_io_copy_and_sum(skb,src,len,unused) \
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isa_memcpy_fromio((skb)->data,(src),(len))
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isa_memcpy_fromio((skb)->data,(src),(len))
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/* Port-space IO */
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/* Port-space IO */
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#define inb_p inb
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#define inb_p inb
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#define inw_p inw
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#define inw_p inw
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#define inl_p inl
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#define inl_p inl
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#define outb_p outb
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#define outb_p outb
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#define outw_p outw
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#define outw_p outw
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#define outl_p outl
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#define outl_p outl
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extern unsigned char eisa_in8(unsigned short port);
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extern unsigned char eisa_in8(unsigned short port);
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extern unsigned short eisa_in16(unsigned short port);
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extern unsigned short eisa_in16(unsigned short port);
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extern unsigned int eisa_in32(unsigned short port);
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extern unsigned int eisa_in32(unsigned short port);
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extern void eisa_out8(unsigned char data, unsigned short port);
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extern void eisa_out8(unsigned char data, unsigned short port);
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extern void eisa_out16(unsigned short data, unsigned short port);
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extern void eisa_out16(unsigned short data, unsigned short port);
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extern void eisa_out32(unsigned int data, unsigned short port);
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extern void eisa_out32(unsigned int data, unsigned short port);
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#if defined(CONFIG_PCI)
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#if defined(CONFIG_PCI)
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extern unsigned char inb(int addr);
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extern unsigned char inb(int addr);
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extern unsigned short inw(int addr);
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extern unsigned short inw(int addr);
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extern unsigned int inl(int addr);
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extern unsigned int inl(int addr);
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extern void outb(unsigned char b, int addr);
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extern void outb(unsigned char b, int addr);
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extern void outw(unsigned short b, int addr);
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extern void outw(unsigned short b, int addr);
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extern void outl(unsigned int b, int addr);
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extern void outl(unsigned int b, int addr);
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#elif defined(CONFIG_EISA)
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#elif defined(CONFIG_EISA)
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#define inb eisa_in8
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#define inb eisa_in8
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#define inw eisa_in16
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#define inw eisa_in16
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#define inl eisa_in32
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#define inl eisa_in32
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#define outb eisa_out8
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#define outb eisa_out8
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#define outw eisa_out16
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#define outw eisa_out16
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#define outl eisa_out32
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#define outl eisa_out32
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#else
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#else
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static inline char inb(unsigned long addr)
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static inline char inb(unsigned long addr)
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{
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{
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BUG();
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BUG();
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return -1;
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return -1;
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}
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}
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static inline short inw(unsigned long addr)
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static inline short inw(unsigned long addr)
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{
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{
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BUG();
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BUG();
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return -1;
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return -1;
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}
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}
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static inline int inl(unsigned long addr)
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static inline int inl(unsigned long addr)
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{
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{
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BUG();
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BUG();
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return -1;
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return -1;
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}
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}
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#define outb(x, y) BUG()
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#define outb(x, y) BUG()
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#define outw(x, y) BUG()
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#define outw(x, y) BUG()
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#define outl(x, y) BUG()
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#define outl(x, y) BUG()
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#endif
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#endif
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/*
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/*
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* String versions of in/out ops:
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* String versions of in/out ops:
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*/
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*/
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extern void insb (unsigned long port, void *dst, unsigned long count);
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extern void insb (unsigned long port, void *dst, unsigned long count);
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extern void insw (unsigned long port, void *dst, unsigned long count);
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extern void insw (unsigned long port, void *dst, unsigned long count);
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extern void insl (unsigned long port, void *dst, unsigned long count);
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extern void insl (unsigned long port, void *dst, unsigned long count);
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extern void outsb (unsigned long port, const void *src, unsigned long count);
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extern void outsb (unsigned long port, const void *src, unsigned long count);
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extern void outsw (unsigned long port, const void *src, unsigned long count);
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extern void outsw (unsigned long port, const void *src, unsigned long count);
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extern void outsl (unsigned long port, const void *src, unsigned long count);
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extern void outsl (unsigned long port, const void *src, unsigned long count);
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/* IO Port space is : BBiiii where BB is HBA number. */
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/* IO Port space is : BBiiii where BB is HBA number. */
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#define IO_SPACE_LIMIT 0x00ffffff
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#define IO_SPACE_LIMIT 0x00ffffff
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#define dma_cache_inv(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while(0)
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#define dma_cache_inv(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while(0)
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#define dma_cache_wback(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0)
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#define dma_cache_wback(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0)
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#define dma_cache_wback_inv(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0)
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#define dma_cache_wback_inv(_start,_size) do { flush_kernel_dcache_range(_start,_size); } while (0)
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#endif
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#endif
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